It is only 6.7% of Korean students _____ have ever read Chinese books or watch Chinese TV programs.

A．which

B．whoever

C．that

D．what

脾肾阳虚证的辨证要点是（）

A．泻痢浮肿，腰腹冷痛，伴见虚寒之象

B．腰膝酸软，胁痛，耳鸣遗精，眩晕，伴见虚热之象

C．胸胁、胃脘胀痛，或窜痛，呃逆嗳气

D．心悸怔忡，肢体浮肿，伴见虚寒之象

E．心悸失眠，食少腹胀，慢性出血，伴见气血亏虚之象